Answer Posted / sarabjit kaur

#pragma is a miscelleneous directive which is used to turn
on or off certain features.
It varies frm compiler to compiler
a. #pragma startup and #pragma exit
used to specify which function should b called upon startup
(before main()) or program exit(just before program
terminates)
such funtions should nt receive or return any valur

b. #pragma -warn used to surpress specific warning
#pragma warn -rvl return value warnings surpressed
#pragma warn -par parameter not used warnings surpressed
#pragma warn -rch unreachable code warnings surpressed

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